KDP categories · Top KDP authors
Legal Theory & Systems: Amazon KDP category data
Amazon Books Best Sellers data for Legal Theory & Systems, updated Nov 3, 2026: median price $17.21, median 174 reviews, average rating 4.6 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $13.52 – $29.33 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 23% of the parent category Law (770), one of the easier corners under it.
Top 10 Legal Theory & Systems best sellers
-
Why Nations Fail: The Origins of Power, Prosperity, and Poverty
- List rank#1
- Price$10.92
- Rating4.5
- Reviews10,977
-
What Happened to Liberal Democracy?: Remaking a Politics of Shared Prosperity
- List rank#2
- Price$27.10
- Rating4.1
- Reviews47
-
The U.S. Constitution: A Comprehensive and Annotated Guide for the Modern Reader
by Melissa Murray
- List rank#3
- Price$16.59
- Rating4.8
- Reviews438
-
The Master and Margarita
- List rank#4
- Price$0.99
- Rating4.2
- Reviews1,152
-
The Constitution of the United States of America: The Declaration of Independence, The Bill of Rights
- List rank#5
- Price$5.99
- Rating4.8
- Reviews11,644
-
The Dictator's Handbook: Why Bad Behavior is Almost Always Good Politics
by Bruce Bueno de Mesquita
- List rank#6
- Price$18
- Rating4.6
- Reviews2,483
-
-
Medicare for All: A Citizen's Guide
- List rank#8
- Price$16.09
- Rating4.8
- Reviews150
-
Discrimination and Disparities
- List rank#9
- Price$14
- Rating4.8
- Reviews4,363
-
The Party: The Secret World of China's Communist Rulers
by Richard McGregor
- List rank#10
- Price$11.38
- Rating4.5
- Reviews571
Subcategories
FAQ
Is Legal Theory & Systems a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 174 reviews and sells for $17.21.
How many reviews do you need to rank in Legal Theory & Systems?
The median best seller has 174 reviews, and 38% of them have fewer than 100.
What do Legal Theory & Systems best sellers cost?
The median price is $17.21; half of the best sellers are priced between $13.52 and $29.33.
Can new books break into Legal Theory & Systems?
7% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.